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Long Sleeve Sleep Sack - Goose / 2.5 TOG Long Sleeve Sleep Sack - Goose / 2.5 TOG

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack
Goose / 2.5 TOG
Sale price$75.00
Long Sleeve Sleep Sack - Dream / 2.5 TOG Long Sleeve Sleep Sack - Dream / 2.5 TOG

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack
Dream / 2.5 TOG
Sale price$75.00
Long Sleeve Sleep Sack - Beauty / 1.0 TOG Long Sleeve Sleep Sack - Beauty / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
Beauty / 1.0 TOG
Sale price$70.00
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Long Sleeve Sleep Sack - Forest / 2.5 TOG Long Sleeve Sleep Sack - Forest / 2.5 TOG

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack
Forest / 2.5 TOG
Sale price$75.00
Long Sleeve Footie Sleep Sack - Sage / 2.5 TOG Long Sleeve Footie Sleep Sack - Sage / 2.5 TOG
Quick add
TOG:

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
Sage / 2.5 TOG
Sale price$70.00
Long Sleeve Transitional Swaddle Sack - Ducks / 1.0 TOG Long Sleeve Transitional Swaddle Sack - Ducks / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
Ducks / 1.0 TOG
Sale price$70.00
Long Sleeve Transitional Swaddle Sack - Beauty / 1.0 TOG Long Sleeve Transitional Swaddle Sack - Beauty / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
Beauty / 1.0 TOG
Sale price$70.00
Long Sleeve Transitional Swaddle Sack - Fishing / 1.0 TOG Long Sleeve Transitional Swaddle Sack - Fishing / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
Fishing / 1.0 TOG
Sale price$70.00
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Long Sleeve Transitional Swaddle Sack - Dream  / 0.5 TOG Long Sleeve Transitional Swaddle Sack - Dream  / 0.5 TOG

0.5 TOG | 74-78°F

Long Sleeve Transitional Swaddle Sack
Dream / 0.5 TOG
Sale price$44.00 Regular price$55.00
Long Sleeve Sleep Sack - Dream / 1.0 TOG Long Sleeve Sleep Sack - Dream / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
Dream / 1.0 TOG
Sale price$70.00
Long Sleeve Sleep Sack - Goose  / 1.0 TOG Long Sleeve Sleep Sack - Goose  / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
Goose / 1.0 TOG
Sale price$70.00
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Long Sleeve Transitional Swaddle Sack - Posies / 0.5 TOG Long Sleeve Transitional Swaddle Sack - Posies / 0.5 TOG

0.5 TOG | 74-78°F

Long Sleeve Transitional Swaddle Sack
Posies / 0.5 TOG
Sale price$44.00 Regular price$55.00
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Long Sleeve Transitional Swaddle Sack - Beauty / 0.5 TOG Long Sleeve Transitional Swaddle Sack - Beauty / 0.5 TOG

0.5 TOG | 74-78°F

Long Sleeve Transitional Swaddle Sack
Beauty / 0.5 TOG
Sale price$44.00 Regular price$55.00
Long Sleeve Sleep Sack - Tutu Goose / 1.0 TOG Long Sleeve Sleep Sack - Tutu Goose / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
Tutu Goose / 1.0 TOG
Sale price$70.00
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Long Sleeve Transitional Swaddle Sack - Sage / 0.5 TOG Long Sleeve Transitional Swaddle Sack - Sage / 0.5 TOG

0.5 TOG | 74-78°F

Long Sleeve Transitional Swaddle Sack
Sage / 0.5 TOG
Sale price$44.00 Regular price$55.00
Save 20%
Long Sleeve Transitional Swaddle Sack - Magnolia / 0.5 TOG Long Sleeve Transitional Swaddle Sack - Magnolia / 0.5 TOG

0.5 TOG | 74-78°F

Long Sleeve Transitional Swaddle Sack
Magnolia / 0.5 TOG
Sale price$44.00 Regular price$55.00
Long Sleeve Sleep Sack - Forest  / 1.0 TOG Long Sleeve Sleep Sack - Forest  / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
Forest / 1.0 TOG
Sale price$70.00
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Long Sleeve Transitional Swaddle Sack - Tutu Goose / 0.5 TOG Long Sleeve Transitional Swaddle Sack - Tutu Goose / 0.5 TOG

0.5 TOG | 74-78°F

Long Sleeve Transitional Swaddle Sack
Tutu Goose / 0.5 TOG
Sale price$44.00 Regular price$55.00
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Long Sleeve Transitional Swaddle Sack - Fishing / 0.5 TOG Long Sleeve Transitional Swaddle Sack - Fishing / 0.5 TOG

0.5 TOG | 74-78°F

Long Sleeve Transitional Swaddle Sack
Fishing / 0.5 TOG
Sale price$44.00 Regular price$55.00
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Long Sleeve Transitional Swaddle Sack - Ducks / 0.5 TOG Long Sleeve Transitional Swaddle Sack - Ducks / 0.5 TOG

0.5 TOG | 74-78°F

Long Sleeve Transitional Swaddle Sack
Ducks / 0.5 TOG
Sale price$44.00 Regular price$55.00
Long Sleeve Sleep Sack - Magnolia / 1.0 TOG Long Sleeve Sleep Sack - Magnolia / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
Magnolia / 1.0 TOG
Sale price$70.00
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Long Sleeve Transitional Swaddle Sack - Dream / 1.0 TOG Long Sleeve Transitional Swaddle Sack - Dream / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
Dream / 1.0 TOG
Sale price$70.00
Long Sleeve Transitional Swaddle Sack - Tutu Goose / 1.0 TOG Long Sleeve Transitional Swaddle Sack - Tutu Goose / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
Tutu Goose / 1.0 TOG
Sale price$70.00
Long Sleeve Sleep Sack - Sage / 2.5 TOG Long Sleeve Sleep Sack - Sage / 2.5 TOG

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack
Sage / 2.5 TOG
Sale price$75.00
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Long Sleeve Sleep Sack - Goose / 0.5 TOG Long Sleeve Sleep Sack - Goose / 0.5 TOG

0.5 TOG | 74-78°F

Long Sleeve Sleep Sack
Goose / 0.5 TOG
Sale price$52.00 Regular price$65.00
Long Sleeve Transitional Swaddle Sack - Sage / 1.0 TOG Long Sleeve Transitional Swaddle Sack - Sage / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
Sage / 1.0 TOG
Sale price$70.00
Long Sleeve Sleep Sack - Posie / 1.0 TOG Long Sleeve Sleep Sack - Posie / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
Posie / 1.0 TOG
Sale price$70.00
Long Sleeve Sleep Sack - Sage / 1.0 TOG Long Sleeve Sleep Sack - Sage / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
Sage / 1.0 TOG
Sale price$70.00
Long Sleeve Transitional Swaddle Sack - Posies / 1.0 TOG Long Sleeve Transitional Swaddle Sack - Posies / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
Posies / 1.0 TOG
Sale price$70.00
Long Sleeve Sleep Sack - Shine / 1.0 TOG Long Sleeve Sleep Sack - Shine / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Sleep Sack
Shine / 1.0 TOG
Sale price$70.00
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Long Sleeve Sleep Sack - Magnolia / 2.5 TOG Long Sleeve Sleep Sack - Magnolia / 2.5 TOG

2.5 TOG | 58-70°F

Long Sleeve Sleep Sack
Magnolia / 2.5 TOG
Sale price$75.00
Long Sleeve Footie Sleep Sack - Hush  / 1.0 TOG Long Sleeve Footie Sleep Sack - Hush  / 1.0 TOG
Quick add
TOG:

1.0 TOG | 70-73°F

Long Sleeve Footie Sleep Sack
Hush / 1.0 TOG
Sale price$68.00
Long Sleeve Footie Sleep Sack - Sage / 1.0 TOG Long Sleeve Footie Sleep Sack - Sage / 1.0 TOG
Quick add
TOG:

1.0 TOG | 70-73°F

Long Sleeve Footie Sleep Sack
Sage / 1.0 TOG
Sale price$68.00
Long Sleeve Transitional Swaddle Sack - Magnolia / 1.0 TOG Long Sleeve Transitional Swaddle Sack - Magnolia / 1.0 TOG

1.0 TOG | 70-73°F

Long Sleeve Transitional Swaddle Sack
Magnolia / 1.0 TOG
Sale price$70.00
Sold out
Long Sleeve Footie Sleep Sack - Hush / 2.5 TOG Long Sleeve Footie Sleep Sack - Hush / 2.5 TOG

2.5 TOG | 58-70°F

Long Sleeve Footie Sleep Sack
Hush / 2.5 TOG
Sale price$78.00

cozy winter sleep without the worry

When the temperature drops, keep baby's sleep perfectly warm with our premium winter sleep bags. Designed specifically for cooler environments, these warm sleep sacks combine plush insulation with the breathable comfort of bamboo rayon—creating the ideal microclimate for deeper, longer winter sleep.

The generous cut allows for natural movement and healthy hip development, while still fitting snugly at the arms and neck to prevent cold drafts. Our innovative WONDERZiP® means those inevitable midnight diaper changes happen quickly, without fully exposing baby to chilly air or disrupting their cozy sleep environment. It's thoughtful winter comfort, wrapped in the silkiest package.

Why choose the gunamuna winter sleep bags?

  • Perfect Temperature Balance: Our carefully calibrated 2.5 TOG rating is specially designed for typical winter home temperatures (65-68°F)—no more guessing if baby is too hot or too cold.
  • Midnight Change Magic: Our exclusive WONDERZiP® design means diaper changes happen without unwrapping baby completely—keeping their upper body warm while you take care of business.
  • Safer Winter Sleep: Eliminates the need for loose blankets or layers that can pose suffocation risks while ensuring even, consistent warmth throughout the night.
  • Room to Move, Space to Grow: The generous lower portion provides plenty of kick room and supports healthy hip development, while the snug upper prevents drafts—the perfect winter sleep solution.

frequently asked questions

Our 2.5 TOG sleep bags provide ideal warmth for most winter homes (65-68°F). TOG is a measure of thermal insulation—the higher the TOG, the warmer the sleep bag. Our 2.5 TOG rating is perfect for keeping baby cozy during chilly nights.

Our bamboo rayon winter sleep bags are specifically designed with breathability in mind, helping regulate temperature rather than simply trapping heat. Always check baby's neck or back (not hands) to ensure they're comfortable—it should feel warm but not sweaty.

For our 2.5 TOG winter sleep bags, a long-sleeve onesie or light pajamas underneath is perfect. Avoid overdressing, as it can lead to overheating—our sleep bags are designed to provide sufficient warmth on their own.